Home / 7,340.24-10,129.12-4,196.44

Finding the Fourth Proportional to 7,340.24, 10,129.12 and 4,196.44

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Solution

The fourth proportional to 7,340.24, 10,129.12 and 4,196.44 is: 5,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.24 : 10,129.12 = 4,196.44 : x
  2. Step 2: Convert to fraction form
    7,340.24/10,129.12 = 4,196.44/x
  3. Step 3: Cross multiply
    7,340.24x = 10,129.12 × 4,196.44
  4. Step 4: Simplify right side
    7,340.24x = 42,506,244.33
  5. Step 5: Solve for x
    x = 42,506,244.33/7,340.24
  6. Step 6: Final answer
    x = 5,790.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.